ChipCatch

• 
  CH32F103C8T6 — WCH

  ARM Cortex-M3 MCU, 72MHz, 64KB flash, 20KB SRAM, LQFP48
  from $0.84
• 
  CH32V307VCT6 — WCH

  RISC-V RV32IMAC MCU, 144MHz, 256KB flash, 64KB SRAM, LQFP100
  from $1.52
• 
  CH340G — WCH

  USB to UART bridge, SOP16
  from $0.29
• 
  CH340C — WCH

  USB to UART bridge, SOP16
  from $0.35
• 
  CH341A — WCH

  USB to UART/parallel/SPI/I2C bridge, SOP16
  from $0.50
• 
  CH552G — WCH

  Enhanced E8051 MCU, USB, 16KB flash, SOP16
  from $0.39
• 
  CH554T — WCH

  Enhanced E8051 MCU, USB, 16KB flash, TSSOP20
  from $0.51
• 
  CH582F — WCH

  RISC-V BLE 5.3 MCU, 60MHz, 512KB flash, QFN48
  from $1.33
• 
  CH32X035F8U6 — WCH

  RISC-V MCU with USB PD, 48MHz, 64KB flash, QFN28
  from $0.93
• 
  CH32L103C8U6 — WCH

  Low-power RISC-V MCU, 96MHz, 64KB flash, QFN28
  from $0.83
• 
  CH9102F — WCH

  USB to UART bridge, high speed, QFN24
  from $0.57
• 
  CH343P — WCH

  USB to UART bridge, SOP16
  from $0.45
• 
  CH32V203C8T6 — WCH

  RISC-V RV32IMAC MCU, 144MHz, 64KB flash, 20KB SRAM, LQFP48
  from $0.89
• 
  CH32V208WBU6 — WCH

  RISC-V BLE 5.3 MCU, 144MHz, 128KB flash, QFN68
  from $1.26
• 
  CH32F203C8T6 — WCH

  ARM Cortex-M3 MCU, 144MHz, 64KB flash, 20KB SRAM, LQFP48
  from $0.99
• 
  CH32F208WBU6 — WCH

  ARM Cortex-M3 BLE MCU, 144MHz, 128KB flash, QFN68
  from $1.48
• 
  CH224K — WCH

  USB PD sink controller, ESSOP10
  from $0.38
• 
  CH444G — WCH

  USB hub controller, 4-port, LQFP48
  from $1.24
• 
  ESP32 — Espressif

  Dual-core Xtensa LX6 MCU, WiFi+BLE, 240MHz, 520KB SRAM, QFN48
  from $2.14
• 
  ESP32-S3 — Espressif

  Dual-core Xtensa LX7 MCU, WiFi+BLE 5, 240MHz, 512KB SRAM, QFN56
  from $2.49
• 
  ESP32-C3 — Espressif

  RISC-V MCU, WiFi+BLE 5, 160MHz, 400KB SRAM, QFN32
  from $1.06
• 
  ESP32-C6 — Espressif

  RISC-V MCU, WiFi 6+BLE 5, 160MHz, 512KB SRAM, QFN40
  from $1.43
• 
  ESP8266EX — Espressif

  Tensilica L106 MCU, WiFi, 80MHz, 160KB RAM, QFN32
  from $0.99
• 
  ESP32-S2 — Espressif

  Single-core Xtensa LX7 MCU, WiFi+USB OTG, 240MHz, 320KB SRAM, QFN56
  from $1.74

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